1033221030021 has 48 divisors (see below), whose sum is σ = 1538387136000. Its totient is φ = 667845150336.

The previous prime is 1033221029989. The next prime is 1033221030043. The reversal of 1033221030021 is 1200301223301.

1033221030021 is a `hidden beast` number, since 1 + 0 + 332 + 2 + 10 + 300 + 21 = 666.

It is not a de Polignac number, because 1033221030021 - 2⁵ = 1033221029989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1033221029976 and 1033221030003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033221030421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105114735 + ... + 105124563.

It is an arithmetic number, because the mean of its divisors is an integer number (32049732000).

Almost surely, 2^{1033221030021} is an apocalyptic number.

It is an amenable number.

1033221030021 is a deficient number, since it is larger than the sum of its proper divisors (505166105979).

1033221030021 is a wasteful number, since it uses less digits than its factorization.

1033221030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11850 (or 11847 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1033221030021 its reverse (1200301223301), we get a palindrome (2233522253322).

The spelling of 1033221030021 in words is "one trillion, thirty-three billion, two hundred twenty-one million, thirty thousand, twenty-one".